Oil and water circulating system for explosive engines



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' G. L. DAVIS OIL AND WATER CIRCULATING SYSTEM FOR EXPLOSIVE ENGINES Filed Jan.

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6 W mfirizgy Patented July 22, 1924.

UNITED STATES PATENT OFFICE.

GLEN L. DAVIS, OF SAN FRANCISCO, CALIFORNIA.

Application filed January 23, 1922.

To all whom. it may concern:

Be it known that I, GLEN L. DAVIS, a citizen of the United States, residing at the city and county of San Francisco and State of California, have invented new and useful Improvements in Oil and Water Circulating Systems for Explosive Engines, of which the following is a specification.

This invention relates to an oil and water circulating system for explosive engines, and more particularly for an engine such as is used in Ford automobiles.

As is well known, these engines at the present time employ the thermo-siphon cool ing system and a splash lubricating system. The splash system is faulty in many respects and the thermo-siphon cooling system is inefficient under difiicult operating conditions such as are encountered in hilly countries. The object of this invention is to improve the lubricating and cooling system of an engine of the type mentioned. This I accomplish by combining in a single unit a water circulating pump and an oil circulating pump capable of being easily and quickly attached to the present Ford engine and both adapted to be driven from a single shaft. This shaft is so arranged as to be connected to the fan belt of the engine.

One form which my invention may assume is exemplified in the following description and illustrated in the accompanying drawing, in which Fig. 1 shows a plan view of a Ford engine equipped with my invention.

Fig. 2 shows a longitudinal central sectional view of the oil and water circulating pumps.

Fig. 3 shows a transverse sectional view taken on the line 3-3 of Fig. 2.

A Ford engine is shown at 10, a radiator at 11 and the usual cooling fan at 12. Atone side of the engine is a housing 13 cletachably connected thereto. J ournaled in the housing and extending longitudinally thereof is a shaft 14 fitted at its forward end with a pulley 15, which pulley is operated by a fan belt 16. The forward end of the shaft carries an eccentric 17 enclosed by an enlarged portion 18 of the housing. This eccentric drives a plunger 19 which is slidably fitted within a tubular extension 20 formed integrally with the housing. The plunger is held retracted against the eccentric by means of a spring 21. The outer end of the tubular extension has an intake Serial No. 531,018.

valve 22 connected with a pipe 23 and opposite the intake valve is an outlet valve 24 communicating with a pipe 25. The intake pipe is tapped in the rear end of the lower half 26 of the crank case and the outlet pipe extends upwardly and rearwardly to a glass gauge 27. on the dash. A return pipe 28 extends from the glass gauge to the upper part 29 of the crank case opening on a line with the lower ends of the cylinders- Oil is thus circulated through the crank [A case and transmission housing and passes The rear end of the housing 13 has an enlarged cylindrical portion 30 within which is an. impeller pump 31 fixed upon the rear end of the shaft 1 1-. This cylinder has an intake the radiator and an outlet 33 connected 'to the regular water inlet port on the cylinder block. l/Vater is thus taken from the bottom of the radiator and forced by the pump through thecylinder walls and returned to the top of the radiator through the usual pipe connection 34.

It will be noted that both pumps are formed as a unit with the housing 13 and both are driven by the same shaft. This housing is easily mounted upon the side of the engine and the operating shaft can be conveniently connected'to the fan belt. v

Another feature of the present invention contemplates the provision of a reserve oil supply. The amount of oil contained in the crank case of a Ford is usually quite limited and a reserve supply has to be carried along in a separate container. At the rear of the housing I arrange an oil reservoir 35 having a capacity of about one'quart. This reservoir has a discharge pipe 36 communieating with the oil line 23; Within the res ervoir is a tubular casing 37, the lower end of which connects with the discharge pipe 36. Within the casing is a sleeve valve 38 having an operating handle 39 arranged outside the reservoir. ;The casing has an upper port'LO and a lower port 41 arranged out of line with each other. The sleeve valve has corresponding ports, but, normally, these ports are out of register so that no oil can be discharged from the reservoir. When, however, it is desired to pipe 32 communicating with the bottom of admit oil to the crank case, the sleeve valve is turned a specified distance to register the uppermost ports. Thereupon one-half of the contents of the reservoir will be discharged. A further movement of the sleeve valve will cause the lower ports in the easing and sleeve valve to register, thereby discharging the complete contents f the reservoir. In this way, a reserve oil supply can be carried conveniently and the filling of the crank case is made much easier.

Various changes in the construction and arrangement of the several parts herein shown and described may be made without departing from the spirit of my invention as disclosed in the appended claims.

Having thus described my invention, what I claim and desire to secure by Letters Patent is:

1. An oil and water circulating unit for explosive engines, comprising a relatively long approximately horizontal tubular housing a single continuous relatively long horizontal shaft the major portion of which is confined within the tubular housing and ex tended slightly beyond the front end thereof and provided at its extension with a belt receiving pulley, and oil and water pumps contained in the tubular housing and directly actuated by the said shaft for circulating oil and water.

2. An oil and water circulating unit for explosive engines, comprising an approximately horizontal tubular housing, said housing being provided with a cylindrical portion, a single continuous horizontal shaft the major portion of which is confined within the tubular housing and extending through said cylindrical portion, a pump runner mounted on the inner end of the shaft and operating in the said cylindrical portion of the housing, pipe connect-ions extending from the cylindrical portion of the housing and an oil pump contained within the tubular housing and directly actuated by the said horizontal shaft for circulating oil.

3. An oil and water circulating unit for explosive engines, comprising an approximately horizontal tubular housing said housing being provided with a depending tubular extension, a single continuous horizontal shaft mounted in the housing, an eccentric on the shaft, a spring pressed plunger within the depending tubular extension of the housing and actuated by the eccentric inlet and outlet valves for the tubular extension, a pipe connecting with the inlet valve, a

' second pipe connection connecting with the outlet valve and a pump contained within the housing and also directly actuated by the said horizontal shaft for circulating water.

4. An oil and water circulating unit for explosive engines, comprising an approximately horizontal tubular housing said housing being provided with a tubular extension, a single continuous longitudinal shaft mounted within the housing, an eccentric on the shaft, a plunger within the tubular extension of the housing and actuated by the eccentric, inlet and outlet valves for the tubular extension, pipe connections for the inlet and" outlet valves respectively, the housing having an enlarged extension concentric therewith, and a pump contained within the last-mentioned extension of the housing and also directly actuated by the shaft for the circulation of water.

5. An oil and water circulating unit for explosive engines comprising an approximately horizontal tubular housing said housing being provided at one end with a depending tubular extension and having an enlarged cylindrical portion at the opposite end, a horizontal shaft having its major portion confined within the housing, a spring pressed plunger operating in the tubular extension, an eccentric on the shaft for operating the plunger, inlet and outlet valves at the lower end of the tubular extension, a pump runner mounted on the shaft and directly actuated by the same and operating in the enlarged cylindrical portion of the housing for circulating water, inlet and outlet connections for the cylindrical portion, and pipe connections for the inlet and outlet valves of the cylindrical extension. I I

6. An oil and water circulating unit for explosive engines, comprising an i, approximately horizontal tubular housing and provided at the front and rear with enlarged cylindrical portions, a tubular extension depending from the front cylindrical portion, a horizontal shaft mounted in the tubular housing and extending through 'the front and rear cylindrical portions, a spring pressed plunger operating in the depending tubular extension, an eccentric on the shaft in the front cylindrical portion directly over the tubular. extension for actuating the plunger, inlet and outlet valves for the tubular extension, pipe connections for the inlet and outlet valves, a pump runner mounted directly on the horizontal shaft and arranged in the rear cylindrical portion of the housing, inlet and outlet connections for the rear cylindrical portion, and a belt pulley mounted on the horizontal shaft at the front end thereof.

GLEN L. DAVIS. 

